no simple flexible booking, even though there seems to be a need for one-time bookings (AFAIK, I did not venture behind the screen after top menu: “Reservation request” since I do not know how to answer its question).

– just to be a bit more concise than this useful, but long post on yet another great feature of this free program (shout-out to Kai). Not shown here: after making your settings here, click button “Start batch”.